package com.hm.reggie.config;

import com.hm.reggie.common.JacksonObjectMapper;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.cbor.MappingJackson2CborHttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;

import java.util.List;

@Slf4j
@Configuration
public class WebMvcConfig extends WebMvcConfigurationSupport {
    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        log.info("------开始静态地址映射------");
        registry.addResourceHandler("/backend/**").addResourceLocations("classpath:/backend/");
        registry.addResourceHandler("/front/**").addResourceLocations("classpath:/front/");
        log.info("------完成静态地址映射------");

    }

    /**
     * 扩展mvc框架消息转换器
     * @param converters
     */
    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        log.info("------开始创建消息转换器------");
        MappingJackson2HttpMessageConverter mappingJackson2CborHttpMessageConverter = new MappingJackson2HttpMessageConverter();
        //设置对象转换器用jckson将java对象转为json
        mappingJackson2CborHttpMessageConverter.setObjectMapper(new JacksonObjectMapper());
        //将消息转换器对象追加到mvc框架的转换器集合中
        converters.add(0,mappingJackson2CborHttpMessageConverter);
        log.info("convertor有{}个，包括：{}",converters.size(),converters.toString());
        log.info("------成功创建消息转换器------");

    }
}
